Optimum angle of deflection electrodes of a cylindrical electrostatic analyzer

C. Oshima*, R. Souda, M. Aono, Y. Ishizawa

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    26 Citations (Scopus)


    The optimum deflection angle of the electrodes in a cylindrical electrostatic analyzer with real slits has been discussed on the basis of numerically calculated electron trajectories. The effect of fringing fields has been included exactly in this calculation. The optimum angle is 126.5°, being independent of the gap between the inner and outer electrodes. By this optimization, the first-order angle aberration can be eliminated completely.

    Original languageEnglish
    Pages (from-to)227-230
    Number of pages4
    JournalReview of Scientific Instruments
    Issue number2
    Publication statusPublished - 1985

    ASJC Scopus subject areas

    • Instrumentation
    • Physics and Astronomy (miscellaneous)


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